“Puppy-dog eyes didn’t just evolve for us, in domestic dogs,” says comparative anatomist Heather Smith. Her team’s work has thrown a 2019 finding 1 that the muscles in dogs’ eyebrows evolved to ...

The world’s biggest tigers have gone on a rampage in Russia, killing and attacking people in rural villages in the east of the country. The villagers and their pets are being attacked by Amur tigers, ...

“Puppy-dog eyes didn’t just evolve for us, in domestic dogs,” says comparative anatomist Heather Smith. Her team’s work has thrown a 2019 finding that the muscles in dogs’ eyebrows evolved to ...